Hyundai Tucson: 4WD Control System / Repair procedures
The friction material inside the coupling will degrade over
time. Therefore, corresponding compensation values must be referenced
and entered after replacing the controller or the coupling.
Compensation Requirement and Procedure
| 1. |
Simultaneous replacement of 4WD ECU (Controller) and coupling
| A. |
Does not require compensation. |
|
| 2. |
Replacement of coupling only
| A. |
Reset the 4WD ECU's (Controller) clutch learning. |
|
| 3. |
Replacement of 4WD ECU (Controller) only
| A. |
Before replacement: Check the ECU's clutch learning. 
|
| B. |
After replacement: Enter the original ECU's clutch learning into the replacement ECU. 
|
|
Components Location
1. 4WD ECU
...
4WD ECU Components and Components Location